(b. 1655, Rosenheim, d. 1722, Praha)
German architect, part of a Bavarian family of architects active in Germany and Bohemia. He was a leading builder in the Bohemian Baroque style.
He brought to Bohemia a radical style with dynamic concept of material and expanding space after 1685. He worked for nobility and church all over Bohemia and acted as a fortress builder in Prague and Cheb. Some of his works are difficult to identify, due to the lack of documentation.